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Table 2 Item analysis results for all items (n = 654)

From: Development and validation of the Health Education Adherence Scale for Stroke Patients: a cross-sectional study

Domains/Items

Indicator 1: CR ≥ 3.0

Indicator 2: Item-total correlation ≥ 0.40

Cronbach’s α

Indicator 5: Item factor loadings on their own domians ≥ 0.45

Number of unqualified indicators

Item selection

Indicator 3: Corrected item-total correlation ≥ 0.40

Indicator 4: Cronbach’s α if item deleted ≤ 0.925

Diet Adherence

 A1. I can adhere to the nurses’ health education to control the type of eating according to my swallowing condition (e.g., paste diet, liquid diet, semi-liquid diet)

8.993

0.330

0.286

0.925

0.306

3

Removed

 A2. I can adhere to the nurses’ health education to carry out simple swallowing training before eating (stretching the head and neck forward and turning the head to the healthy side)

10.251

0.380

0.333

0.924

0.354

3

Removed

 A3. I can adhere to the nurses’ health education to pay attention to my eating method

13.052

0.501

0.466

0.923

0.503

0

Selected

 A4. I can adhere to the nurses’ health education to control my daily salt intake within 6 g (size of a beer cap)

13.465

0.528

0.494

0.923

0.540

0

Selected

 A5. I can adhere to the nurses’ health education to eat a low-oil diet (no fried foods; the daily oil consumption is 30 g: the amount of oil held by a porcelain spoon)

13.672

0.530

0.497

0.923

0.547

0

Selected

 A6. I can adhere to the nurses’ health education to eat low-cholesterol foods (excluding animal internal organs, fried foods)

14.304

0.537

0.503

0.922

0.553

0

Selected

 A7. I can adhere to the nurses’ health education to actively learn the dietary content (such as low-salt, low-fat diet content)

13.343

0.526

0.489

0.923

0.530

0

Selected

 A8. I can adhere to the nurses’ health education to control the amount of food I eat

13.421

0.501

0.456

0.923

0.497

0

Selected

Medication Adherence

 B1. I can adhere to the nurses’ health education to take my medicine regularly as prescribed

12.334

0.538

0.500

0.922

0.541

0

Selected

 B2. I can adhere to the nurses’ health education to take the appropriate dose

12.553

0.547

0.510

0.922

0.552

0

Selected

 B3. I can adhere to the nurses’ health education to take the medicine on time

13.729

0.577

0.541

0.922

0.581

0

Selected

 B4. I can adhere to the nurses’ health education to not change the medicine-taking method

13.374

0.564

0.527

0.922

0.567

0

Selected

 B5. I can adhere to the nurses’ health education to follow the prescription and not change the type of drug

13.205

0.514

0.465

0.923

0.508

0

Selected

 B6. I can adhere to the nurses’ health education to pay attention to any adverse reactions after taking the medicine

14.484

0.548

0.502

0.922

0.535

0

Selected

 B7. I can adhere to the nurses’ health education to follow the ASA (hypertensive drug—lipid-lowering drug—anticoagulant drug) drug treatment strategy

16.221

0.563

0.520

0.922

0.558

0

Selected

 B8. I can adhere to the nurses’ health education to pay attention to my blood pressure when taking medicine

18.661

0.631

0.593

0.921

0.640

0

Selected

Rehabilitation Exercise Adherence

 C1. I can adhere to the nurses’ health education to exercise on time every day

20.216

0.639

0.605

0.921

0.660

0

Selected

 C2. I can adhere to the nurses’ health education to do early postural adjustments every day

21.221

0.657

0.624

0.921

0.678

0

Selected

 C3. I can adhere to the nurses’ health education to stop the rehabilitation exercise when I feel uncomfortable

22.954

0.681

0.649

0.921

0.698

0

Selected

 C4. I can adhere to the nurses’ health education to not stop the rehabilitation exercise program casually

18.064

0.619

0.582

0.921

0.636

0

Selected

 C5. I can adhere to the nurses’ health education to practice good limb positioning (passive training 2 times a day, 20 min at a time)

20.627

0.638

0.603

0.921

0.653

0

Selected

 C6. I can adhere to the nurses’ health education to practice simple vocal exercises according to the clinical education guidance

20.738

0.627

0.590

0.921

0.632

0

Selected

 C7. I can adhere to the nurses’ health education to practice orientation training (regarding place, time)

16.394

0.556

0.511

0.922

0.5553

0

Selected

Healthy Lifestyle Adherence

 D1. I can adhere to the nurses’ health education to change my lifestyle after I get sick

12.308

0.488

0.442

0.923

0.479

0

Selected

 D2. I can adhere to the nurses’ health education to stop bad habits (such as smoking, drinking)

10.240

0.421

0.374

0.924

0.406

2

Selected

 D3. I can adhere to the nurses’ health education to do rehabilitation exercises in the community or hospital on time

9.063

0.401

0.350

0.924

0.374

2

Selected

 D4. I can adhere to the nurses’ health education to master stroke-related risk factors (such as hypertension, diabetes, hyperlipidemia)

14.448

0.534

0.491

0.923

0.522

0

Selected

 D5. I can adhere to the nurses’ health education to do physical activity every day for at least 5 days a week, 30–45 min at a time

15.248

0.563

0.523

0.922

0.564

0

Selected

 D6. I can adhere to the nurses’ health education to adhere to good life habits

12.880

0.506

0.464

0.923

0.498

0

Selected

 D7. I can adhere to the nurses’ health education to control my emotions

13.863

0.514

0.469

0.923

0.503

0

Selected

 D8. I can adhere to the nurses’ health education to follow up once every two weeks

13.403

0.498

0.453

0.923

0.489

0

Selected

 D9. I can adhere to the nurses’ health education to control my blood pressure below 130/80 mmHg (for those with diabetes or hyperlipidemia) or to control my blood pressure at 140/90 mmHg (for those with a history of hypertension)

15.176

0.536

0.494

0.922

0.530

0

Selected

 D10. I can adhere to the nurses’ health education to regularly monitor my glycated hemoglobin

12.809

0.513

0.469

0.923

0.501

0

Selected

 D11. I can adhere to the nurses’ health education to control my waist circumference

14.642

0.528

0.487

0.923

0.524

0

Selected